Comparison

Scrub Web Browser vs PictoBlox Junior Blocks

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Scrub Web Browser

This educational browser connects to Bluetooth LE devices for interactive projects. It supports importing/exporting projects, loading local HTML files, and web access filtering. Ideal for educators and students working with platforms like Scratch.

Highlights
  • Scratch Link for Bluetooth device communication
  • Project importing and exporting
  • Local HTML file loading
  • Web access filtering
  • Web MIDI API (Beta)
  • MDM support
Features
Read full description

Scrub is a web browser for Scratch 3.0 and Bluetooth LE devices. It also supports Viscuit and AkaDako. Features - Scratch Link function to communicate with Bluetooth devices - Project importing / exporting - Local HTML file loading - Web access filtering - Web MIDI API (Beta) - MDM (Managed App Configuration) - and more Supported Devices - micro:bit - LEGO BOOST - LEGO Education WeDo 2.0 - Go Direct Force & Acceleratioon - AkaDako - and other BLE devices Scrub is an open source project. https://github.com/tfabworks/Scrub/ * Scratch is a project of the Scratch Foundation, in collaboration with the Lifelong Kindergarten Group at the MIT Media Lab. It is available for free at https://scratch.mit.edu. * Other names of products are trademarks or registered trademarks of their respective companies.

About

PictoBlox Junior Blocks

This app introduces beginners to coding through a fun, block-based interface. Explore AI, robotics, and create games, animations, and interactive projects. Develop essential 21st-century skills like creativity and logical reasoning.

Highlights
  • Block-based coding interface
  • AI and Machine Learning exploration
  • Robotics and hardware interaction
  • Create games and animations
  • Develop 21st-century skills
  • Logic and algorithm concepts
Features
Read full description

Junior Blocks is a block-based educational coding app for beginners with enhanced hardware-interaction capabilities and emerging technologies such as robotics and AI that make learning to code fun and engaging. Just drag and drop the coding blocks and make cool games, animations, interactive projects, and even control robots the way you want! ● 21st-Century Skills Junior Blocks opens doors for beginners to learn creative and physical computing in an engaging way and helps develop essential skills for today’s technology-driven world such as: - Creativity - Logical reasoning - Critical thinking - Problem-solving ● Coding Skills With Junior Blocks, learners can understand key coding concepts such as: - Logic - Algorithms - Sequencing - Loops - Conditional statements ● AI and ML for Education Users can explore Artificial Intelligence and Machine Learning concepts like: - Face and text recognition - Speech recognition and virtual assistant - AI-based games ● Extensions for Making Countless DIY Projects Junior Blocks offers dedicated extensions to create exciting projects involving AI, robotics, Scratch project control via Bluetooth, programming wheels, sensors, displays, NeoPixel RGB lights, and much more. Boards Compatible with PictoBlox App: - Quarky - Wizbot Want to know more about Junior Blocks? Visit: https://thestempedia.com/product/pictoblox Getting Started with Junior Blocks: Projects that you can make:https://thestempedia.com/project/ Permissions required for: Bluetooth: to provide connectivity. Camera: for taking pictures, videos, face recognition, etc. Microphone: to send voice commands and use the sound meter. Storage: to store the images and videos taken. Location: to use the location sensor and BLE. Download Junior Blocks NOW and start the exciting world of coding and AI with these interactive coding blocks.

Screenshots

PictoBlox Junior Blocks4 screens

Verdict

The call

The clearest difference is rating: Scrub Web Browser at 4.5 against PictoBlox Junior Blocks's 3.0. PictoBlox Junior Blocks's advantage is review sentiment (100% vs 77%). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Scrub Web Browser holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews complicate that: 77% of Scrub Web Browser's written reviews are positive against 100% of PictoBlox Junior Blocks's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 8 level
Scrub Web Browser versus PictoBlox Junior Blocks: the parameters behind the verdict, then further details
ParameterScrub Web BrowserPictoBlox Junior Blocks
PriceFreeFree
Rating4.5 (4 ratings) — better3.0 (2 ratings)
Positive reviews76.9% of reviews100.0% of reviews — better
Number of ratings4 — better2
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPad, Vision ProiPhone, iPad, iPod — better
Requires iOS14.514 — better
Further details — not scored
Size3 MB314 MB
Age rating4+4+
DeveloperTFABWOKRS INC.STEMpedia

Customer experience

Scrub Web Browser

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews13 reviews
Positive76.9%
Neutral0.0%
Negative23.1%

PictoBlox Junior Blocks

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Scrub Web Browser

No in-app purchases

None

PictoBlox Junior Blocks

No in-app purchases

Questions

Is Scrub Web Browser free?
Scrub Web Browser is free to download, with no in-app purchases.
Is PictoBlox Junior Blocks free?
PictoBlox Junior Blocks is free to download, with no in-app purchases.
Which has better reviews, Scrub Web Browser or PictoBlox Junior Blocks?
Scrub Web Browser is rated higher. Scrub Web Browser averages 4.5 out of 5 from 4 ratings, while PictoBlox Junior Blocks averages 3.0 from 2 ratings.
Do Scrub Web Browser or PictoBlox Junior Blocks have ads?
Neither Scrub Web Browser nor PictoBlox Junior Blocks shows ads.
Which is updated more often, Scrub Web Browser or PictoBlox Junior Blocks?
Scrub Web Browser ships an update every 3 weeks, and PictoBlox Junior Blocks every 3 weeks. Most recently, Scrub Web Browser was updated on October 12, 2026 and PictoBlox Junior Blocks on October 11, 2026.

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